/*!	 state_eyedrop.cpp
**	 Template File
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include <synfig/general.h>

#include "state_eyedrop.h"
#include "state_normal.h"
#include "workarea.h"
#include <synfig/context.h>
#include "app.h"
#include "dialogs/dialog_color.h"
#include "event_mouse.h"
#include "event_layerclick.h"
#include "docks/dock_toolbox.h"
#include "canvasview.h"
#include <synfigapp/main.h>

#include <gui/localization.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;
using namespace studio;

class studio::StateEyedrop_Context
{
    CanvasView *canvas_view;
    CanvasView::IsWorking is_working;

public:
    StateEyedrop_Context(CanvasView *canvas_view);
    ~StateEyedrop_Context();

    Smach::event_result event_stop_handler(const Smach::event& x);

    Smach::event_result event_refresh_handler(const Smach::event& x);

    Smach::event_result event_workarea_mouse_button_down_handler(const Smach::event& x);

}; // END of class StateEyedrop_Context

StateEyedrop studio::state_eyedrop;

StateEyedrop::StateEyedrop():
    Smach::state<StateEyedrop_Context>("eyedrop")
{
    insert(event_def(EVENT_LAYER_SELECTION_CHANGED, &StateEyedrop_Context::event_stop_handler));
    insert(event_def(EVENT_STOP, &StateEyedrop_Context::event_stop_handler));
    insert(event_def(EVENT_REFRESH, &StateEyedrop_Context::event_refresh_handler));
    insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN, &StateEyedrop_Context::event_workarea_mouse_button_down_handler));
}

StateEyedrop::~StateEyedrop()
{
}

StateEyedrop_Context::StateEyedrop_Context(CanvasView *canvas_view):
    canvas_view(canvas_view),
    is_working(*canvas_view)
{
    synfig::info("Entered Eyedrop State");
    canvas_view->get_work_area()->set_cursor(Gdk::Cursor::create(Gdk::CROSSHAIR));

    App::dock_toolbox->refresh();
}

StateEyedrop_Context::~StateEyedrop_Context()
{
    synfig::info("Left Eyedrop State");
    canvas_view->get_work_area()->reset_cursor();
    App::dock_toolbox->refresh();
}

Smach::event_result
StateEyedrop_Context::event_stop_handler(const Smach::event& /*x*/)
{
    throw &state_normal;
    return Smach::RESULT_OK;
}

Smach::event_result
StateEyedrop_Context::event_refresh_handler(const Smach::event& /*x*/)
{
    synfig::info("STATE EYEDROP: Received Refresh Event");
    canvas_view->get_work_area()->queue_render_preview();
    return Smach::RESULT_ACCEPT;
}

Smach::event_result
StateEyedrop_Context::event_workarea_mouse_button_down_handler(const Smach::event& x)
{
    synfig::info("STATE EYEDROP: Received mouse button down Event");
    const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));

    if (event.button == BUTTON_LEFT) {
        Color color(canvas_view->get_canvas()->get_context(canvas_view->get_context_params()).get_color(event.pos));
        synfigapp::Main::set_outline_color(color);
        studio::App::dialog_color->set_color(color);
        return Smach::RESULT_ACCEPT;
    }

    return Smach::RESULT_OK;
}